(5m-2n) (25m^2 + 10mn + 4n^2)

asked Mar 25, 2022 91.8k views

3 votes

by Cdhit

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4 votes

Answer:

$(5m - 2n)(25 {m}^(2) + 10mn + 4 {n}^(2))$

$5m(2 {m}^(2) + 10mn + 4 {n}^(2) ) - 2n(25 {m}^(2) + 10mn + 4 {n}^(2) )$

$10 {m}^(3) + 50 {m}^(2)n + 20m {n}^(2) - \\ 50 {m}^(2) n - 20m {n}^(2) - 8 {n}^(3)$

$10 {m}^(3) - 8 {n}^(3) (ans)$

Taotao answered Mar 30, 2022

4.6k points

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